Question: What position did Sargon 2, who started in 721, hold?
Paraphrase: Established in 721, Sargon 2 has which position?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q208336 p:P39 ?s . ?s ps:P39 ?obj . ?s pq:P580 ?x filter(contains(?x , '-721-0-0')) }